builder-cli/lib/init.js

A front-end builder

#!/usr/bin/env node

const inquirer = require('inquirer')
const logger = require('./logger')
const ora = require('ora')
const download = require('download-git-repo')
const program = require('commander')

const template = typeof program.args[1] === 'string' ? program.args[1] : ''

const questions = [
  {
    type: 'input',
    name: 'storage',
    message: 'Where do you want to deploy this template ? (relative path)',
    validate (val) {
      return val !== ''
    }
  }
]

if (template === '') {
  questions.push(
    {
      type: 'list',
      name: 'template',
      message: 'Which template do you want to use ? ',
      choices: [
        'js-template',
        'ts-template'
      ]
    }
  )
}

inquirer
  .prompt(questions)
  .then(answer => {
    // custom template or default template
    const repo = answer.template ? `lbwa/${answer.template}` : template
    repo && builder(repo, answer.storage)
  })
  .catch(() => {
    logger.err('Oops ! build fail.\n')
  })

function builder (template, destination) {
  const targetPath = /\/$/.test(destination)
    ? `${destination}${program.args[0]}`
    : `${destination}/${program.args[0]}`

  const spinner = ora('Downloading template ...')
  spinner.start()
  logger.info(template)

  // default domain: github
  // default branch: master
  download(`${template}`, targetPath, { clone: true }, err => {
    err && logger.err(`Fail to download ${template}: ${err.message.trim()}`)

    logger.success(`${template} has been created in ${targetPath}.\n`)
    spinner.stop()
  })
}